一份试卷共25道题,答对1道得4分,答错或不答扣1分,小红得了75分,求她作对了多少道?
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![一份试卷共25道题,答对1道得4分,答错或不答扣1分,小红得了75分,求她作对了多少道?](/uploads/image/z/2776784-32-4.jpg?t=%E4%B8%80%E4%BB%BD%E8%AF%95%E5%8D%B7%E5%85%B125%E9%81%93%E9%A2%98%2C%E7%AD%94%E5%AF%B91%E9%81%93%E5%BE%974%E5%88%86%2C%E7%AD%94%E9%94%99%E6%88%96%E4%B8%8D%E7%AD%94%E6%89%A31%E5%88%86%2C%E5%B0%8F%E7%BA%A2%E5%BE%97%E4%BA%8675%E5%88%86%2C%E6%B1%82%E5%A5%B9%E4%BD%9C%E5%AF%B9%E4%BA%86%E5%A4%9A%E5%B0%91%E9%81%93%3F)
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